Home / 1,867,712,115.21-2,801,568,173.01-624,142,579.10

Finding the Fourth Proportional to 1,867,712,115.21, 2,801,568,173.01 and 624,142,579.10

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Solution

The fourth proportional to 1,867,712,115.21, 2,801,568,173.01 and 624,142,579.10 is: 936,213,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,712,115.21 : 2,801,568,173.01 = 624,142,579.10 : x
  2. Step 2: Convert to fraction form
    1,867,712,115.21/2,801,568,173.01 = 624,142,579.10/x
  3. Step 3: Cross multiply
    1,867,712,115.21x = 2,801,568,173.01 × 624,142,579.10
  4. Step 4: Simplify right side
    1,867,712,115.21x = 1,748,577,985,026,936,576
  5. Step 5: Solve for x
    x = 1,748,577,985,026,936,576/1,867,712,115.21
  6. Step 6: Final answer
    x = 936,213,868.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.